918380740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{4937}}^1$

素因数の和:5148

約数の個数: 48

約数和(自身を含む): 1971091584

約数和(自身を除く): 1052710844

約数列:

[1, 2, 4, 5, 10, 20, 71, 131, 142, 262, 284, 355, 524, 655, 710, 1310, 1420, 2620, 4937, 9301, 9874, 18602, 19748, 24685, 37204, 46505, 49370, 93010, 98740, 186020, 350527, 646747, 701054, 1293494, 1402108, 1752635, 2586988, 3233735, 3505270, 6467470, 7010540, 12934940, 45919037, 91838074, 183676148, 229595185, 459190370, 918380740]

約数ペア:

[(1, 918380740), (2, 459190370), (4, 229595185), (5, 183676148), (10, 91838074), (20, 45919037), (71, 12934940), (131, 7010540), (142, 6467470), (262, 3505270), (284, 3233735), (355, 2586988), (524, 1752635), (655, 1402108), (710, 1293494), (1310, 701054), (1420, 646747), (2620, 350527), (4937, 186020), (9301, 98740), (9874, 93010), (18602, 49370), (19748, 46505), (24685, 37204)]